14188890 has 16 divisors (see below), whose sum is σ = 34053408. Its totient is φ = 3783696.

The previous prime is 14188883. The next prime is 14188903. The reversal of 14188890 is 9888141.

It is a happy number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 236452 + ... + 236511.

It is an arithmetic number, because the mean of its divisors is an integer number (2128338).

Almost surely, 2^14188890 is an apocalyptic number.

14188890 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

14188890 is an abundant number, since it is smaller than the sum of its proper divisors (19864518).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

14188890 is a wasteful number, since it uses less digits than its factorization.

14188890 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 472973.

The product of its (nonzero) digits is 18432, while the sum is 39.

The square root of 14188890 is about 3766.8143038913. The cubic root of 14188890 is about 242.0933205647.

The spelling of 14188890 in words is "fourteen million, one hundred eighty-eight thousand, eight hundred ninety".